BUG: EM_CANUNDO Returns Zero After EM_REPLACESEL

ID: Q111648

The information in this article applies to:

Microsoft Windows Software Development Kit (SDK) 3.1

SYMPTOMS

EM_CANUNDO returns 0 (zero) after text in an edit control has been set or replaced using EM_REPLACESEL. EM_CANUNDO should return nonzero, and EM_UNDO should undo the change.

STATUS

Microsoft has confirmed this to be a bug in Windows versions 3.1.

Additional query words:

Keywords : kb16bitonly kbCtrl kbEditCtrl kbGrpUser kbWinOS310bug
Version : WINDOWS:3.1
Platform : WINDOWS
Issue type : kbbug